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  • [Improved diagnosis using deuterated radiopharmaceuticals?--A comparison of the brain affinity of amphetamine analogs].

[Improved diagnosis using deuterated radiopharmaceuticals?--A comparison of the brain affinity of amphetamine analogs].

International journal of radiation applications and instrumentation. Part A, Applied radiation and isotopes (1988-01-01)
M Wenzl, M Langstaedtler, D Preiss
ABSTRACT

Ruthenocene amphetamine analogues have the same brain uptake as iodo-labelled amphetamines. This paper compares the organ-distribution of 103Ru labelled ruthenocene- or ferrocene-amphetamine analogues in mice and rats with the same amphetamine in which H-atoms were partly substituted by D-atoms. The uptake in the brain is increased up to 180-200% for deuterium substituted compounds. The pattern of excreted metabolites leads to the conclusion that the deuterated amphetamines are more slowly metabolised than normal (H) compounds.

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Sigma-Aldrich
Bis(cyclopentadienyl)ruthenium(II), 97%